.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 100vh;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1.5rem 0;
}


.title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a202c;
  margin: 0 0 0.75rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.1rem;
  color: #718096;
  margin: 0;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.5;
}

.content {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.contentGrid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.leftColumn {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.rightColumn {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.card {
  transition: none;
}

.divider {
  margin: 1.5rem 0;
}

.techStack {
  display: grid;
  gap: 1rem;
}

.techItem {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: #f7fafc;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease;
}

.techItem:hover {
  background: #edf2f7;
}

.techLabel {
  font-weight: 600;
  color: #2d3748;
  min-width: 4rem;
}

.techValue {
  color: #4a5568;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9rem;
}

.contactActions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.contactButton {
  min-width: 120px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #718096;
  font-size: 0.9rem;
}

.coffeeIcon {
  width: 1.25rem;
  height: 1.25rem;
  color: #d69e2e;
}

.qrCodeSection {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0;
}

.qrCode {
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.qrCode:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.friendLinks {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.friendLinkImage {
  transition: transform 0.2s ease;
  cursor: pointer;
}

.friendLinkImage:hover {
  transform: scale(1.1);
}

.authorSection {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.authorInfo {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.authorAvatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.authorAvatarImage {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.authorDetails {
  flex: 1;
}

.authorName {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
}

.authorRole {
  margin: 0 0 1rem;
  color: #667eea;
  font-weight: 500;
  font-size: 1rem;
}

.authorBio {
  margin: 0 0 1rem;
  color: #4a5568;
  line-height: 1.6;
  font-size: 0.95rem;
}

.socialLinks {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.socialLink {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: #f7fafc;
  color: #4a5568;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid #e2e8f0;
}

.socialLink:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.socialIcon {
  width: 1.25rem;
  height: 1.25rem;
}

.authorDescription {
  padding: 1.5rem;
  min-height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.descriptionText {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #0369a1;
  font-weight: 400;
  text-align: center;
  border-right: 2px solid #0369a1;
  animation: blink-caret 0.75s step-end infinite;
  min-height: 1.5em;
  display: inline-block;
  white-space: pre-wrap;
}

@keyframes blink-caret {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: #0369a1;
  }
}

/* 响应式设计 */
@media (min-width: 768px) {
  .contentGrid {
    grid-template-columns: 1fr 1fr;
  }
  
  .contactActions {
    justify-content: flex-start;
  }
  
  .authorInfo {
    gap: 2rem;
  }
  
  .authorDescription {
    padding: 2rem;
  }
  
  .descriptionText {
    font-size: 0.95rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 3rem 2rem;
  }
  
  .header {
    margin-bottom: 2.5rem;
  }
  
  .title {
    font-size: 3rem;
  }
  
  .subtitle {
    font-size: 1.25rem;
  }
  
  .contentGrid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 1rem;
  }
  
  .title {
    font-size: 2rem;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .contactActions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .contactButton {
    min-width: auto;
  }
  
  .authorInfo {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .authorDescription {
    padding: 1.25rem;
  }
  
  .descriptionText {
    font-size: 0.8rem;
  }
}
